5125681 has 8 divisors (see below), whose sum is σ = 5639328. Its totient is φ = 4658500.

The previous prime is 5125669. The next prime is 5125693. The reversal of 5125681 is 1865215.

It is an interprime number because it is at equal distance from previous prime (5125669) and next prime (5125693).

It is not a de Polignac number, because 5125681 - 2⁷ = 5125553 is a prime.

It is a super-2 number, since 2×5125681² = 52545211427522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (704916).

Almost surely, 2^5125681 is an apocalyptic number.

It is an amenable number.

5125681 is a deficient number, since it is larger than the sum of its proper divisors (513647).

5125681 is an equidigital number, since it uses as much as digits as its factorization.

5125681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884 (or 3862 counting only the distinct ones).

The product of its digits is 2400, while the sum is 28.

The square root of 5125681 is about 2263.9966872767. The cubic root of 5125681 is about 172.4184982206.

The spelling of 5125681 in words is "five million, one hundred twenty-five thousand, six hundred eighty-one".